$ git clone -n https://src.fedoraproject.org/rpms/a52dec.git /var/lib/mock/f40-build-793204-138806/root/chroot_tmpdir/scmroot/a52dec
Cloning into '/var/lib/mock/f40-build-793204-138806/root/chroot_tmpdir/scmroot/a52dec'...
$ git fetch origin 92e729586a6800e88933953befe38ced9fc7830f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/a52dec
 * [new ref]         92e729586a6800e88933953befe38ced9fc7830f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92e7295 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild